[INFO] cloning repository https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seandmccarthy/the_ray_tracer_challenge_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b28fd14c2e0c569d64d49737086255007bdc7304
[INFO] testing seandmccarthy/the_ray_tracer_challenge_rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseandmccarthy%2Fthe_ray_tracer_challenge_rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] finished tweaking git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs
[INFO] tweaked toml for git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/seandmccarthy/the_ray_tracer_challenge_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcfe94df62f4ee458f5890368960a39502d934a918a14f39a9fdc9bb6f82ca73
[INFO] running `Command { std: "docker" "start" "-a" "bcfe94df62f4ee458f5890368960a39502d934a918a14f39a9fdc9bb6f82ca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfe94df62f4ee458f5890368960a39502d934a918a14f39a9fdc9bb6f82ca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfe94df62f4ee458f5890368960a39502d934a918a14f39a9fdc9bb6f82ca73", kill_on_drop: false }`
[INFO] [stdout] bcfe94df62f4ee458f5890368960a39502d934a918a14f39a9fdc9bb6f82ca73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f4e2a73c339170057cda1da6c83dc4bc895c5c4b38bc9bc0be3198f9083a9b
[INFO] running `Command { std: "docker" "start" "-a" "12f4e2a73c339170057cda1da6c83dc4bc895c5c4b38bc9bc0be3198f9083a9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/rt/tuple.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tuple`
[INFO] [stdout]   --> src/rt/tuple.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn tuple(x: f64, y: f64, z: f64, w: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `colour`
[INFO] [stdout]   --> src/rt/tuple.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]    --> src/rt/tuple.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn dot(a: &Tuple, b: &Tuple) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cross`
[INFO] [stdout]    --> src/rt/tuple.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn cross(a: &Tuple, b: &Tuple) -> Tuple {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `colour`
[INFO] [stdout]   --> src/rt/colour.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn colour(red: f64, green: f64, blue: f64) -> Colour {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Canvas`
[INFO] [stdout]  --> src/rt/canvas.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Canvas {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rt/canvas.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn new(width: usize, height: usize) -> Canvas {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pixel_at`
[INFO] [stdout]   --> src/rt/canvas.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn pixel_at(&self, x: usize, y: usize) -> & Colour {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_pixel`
[INFO] [stdout]   --> src/rt/canvas.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn write_pixel(&mut self, x: usize, y: usize, colour: Colour) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "12f4e2a73c339170057cda1da6c83dc4bc895c5c4b38bc9bc0be3198f9083a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f4e2a73c339170057cda1da6c83dc4bc895c5c4b38bc9bc0be3198f9083a9b", kill_on_drop: false }`
[INFO] [stdout] 12f4e2a73c339170057cda1da6c83dc4bc895c5c4b38bc9bc0be3198f9083a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f82547d6a01196d71df6e2c7b3b1fe3b6f680dae57f16db7d6b248e757948d3d
[INFO] running `Command { std: "docker" "start" "-a" "f82547d6a01196d71df6e2c7b3b1fe3b6f680dae57f16db7d6b248e757948d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/rt/tuple.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `colour`
[INFO] [stdout]   --> src/rt/tuple.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "f82547d6a01196d71df6e2c7b3b1fe3b6f680dae57f16db7d6b248e757948d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82547d6a01196d71df6e2c7b3b1fe3b6f680dae57f16db7d6b248e757948d3d", kill_on_drop: false }`
[INFO] [stdout] f82547d6a01196d71df6e2c7b3b1fe3b6f680dae57f16db7d6b248e757948d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5b6428c350d904f5bba13c5351d41a9047a35c69819b5af0b1cf1db89e728fb
[INFO] running `Command { std: "docker" "start" "-a" "f5b6428c350d904f5bba13c5351d41a9047a35c69819b5af0b1cf1db89e728fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/rt/tuple.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `colour`
[INFO] [stderr]   --> src/rt/tuple.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn colour(red: f64, green: f64, blue: f64) -> Tuple {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray_tracer` (bin "ray_tracer" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_tracer-177edfc393923e96)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test rt::canvas::tests::creating_a_canvas ... ok
[INFO] [stdout] test rt::canvas::tests::get_a_pixel ... ok
[INFO] [stdout] test rt::canvas::tests::write_a_pixel ... ok
[INFO] [stdout] test rt::colour::tests::adding_colours ... ok
[INFO] [stdout] test rt::colour::tests::create_colour ... ok
[INFO] [stdout] test rt::colour::tests::multiplying_a_colour_by_a_scalar ... ok
[INFO] [stdout] test rt::colour::tests::multiplying_colours ... ok
[INFO] [stdout] test rt::tuple::tests::adding_two_tuples ... ok
[INFO] [stdout] test rt::tuple::tests::cross_product_of_two_vectors ... ok
[INFO] [stdout] test rt::tuple::tests::dividing_a_tuple_by_a_scalar ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_negative_vector ... ok
[INFO] [stdout] test rt::tuple::tests::dot_product_of_two_vectors ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector_x ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector_y ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector_z ... ok
[INFO] [stdout] test rt::tuple::tests::magnitude_of_vector ... ok
[INFO] [stdout] test rt::tuple::tests::multiplying_a_tuple_by_a_fraction ... ok
[INFO] [stdout] test rt::tuple::tests::negating_a_tuple ... ok
[INFO] [stdout] test rt::tuple::tests::multiplying_a_tuple_by_a_scalar ... ok
[INFO] [stdout] test rt::tuple::tests::normalising_a_vector ... ok
[INFO] [stdout] test rt::tuple::tests::normalising_a_vector_x_only ... ok
[INFO] [stdout] test rt::tuple::tests::subtracting_a_vector_from_a_point ... ok
[INFO] [stdout] test rt::tuple::tests::subtracting_two_vectors ... ok
[INFO] [stdout] test rt::tuple::tests::tuple_with_w_0_is_a_vector ... ok
[INFO] [stdout] test rt::tuple::tests::tuple_with_w_1_is_a_point ... ok
[INFO] [stdout] test rt::tuple::tests::subtracting_two_points ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5b6428c350d904f5bba13c5351d41a9047a35c69819b5af0b1cf1db89e728fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b6428c350d904f5bba13c5351d41a9047a35c69819b5af0b1cf1db89e728fb", kill_on_drop: false }`
[INFO] [stdout] f5b6428c350d904f5bba13c5351d41a9047a35c69819b5af0b1cf1db89e728fb